feat(client): ConsideringPhrases — authored rotating think-lines (§13)

client/tests/unit/test_considering_phrases.gd

@@ -0,0 +1,33 @@
+extends "res://addons/gut/test.gd"
+
+const ConsideringPhrases = preload("res://scripts/ui/considering_phrases.gd")
+
+
+func test_missing_file_returns_last_resort():
+	var p = ConsideringPhrases.new("res://content/does_not_exist.json")
+	assert_eq(p.next(), ConsideringPhrases.LAST_RESORT)
+	assert_eq(p.next(), ConsideringPhrases.LAST_RESORT)
+
+
+func test_cycles_pool_in_order_and_wraps():
+	# Real authored file has at least 3 lines; assert order + wrap on it.
+	var p = ConsideringPhrases.new()  # default path — real content
+	var first = p.next()
+	var second = p.next()
+	assert_ne(first, "")
+	assert_ne(first, second)  # advances, not stuck
+	# Drain a full cycle back to `first` to prove it wraps (bounded loop).
+	var seen := [first, second]
+	for i in range(20):
+		var n = p.next()
+		if n == first:
+			return  # wrapped — success
+		seen.append(n)
+	assert_true(false, "did not wrap within 22 calls: %s" % [seen])
+
+
+func test_index_persists_across_calls_not_reset():
+	var p = ConsideringPhrases.new()
+	var a = p.next()
+	var b = p.next()
+	assert_ne(a, b)  # second call did not re-return the first phrase